Finding the Fourth Proportional to 3,245,782.64, 4,478,741.35 and 1,850,524.28
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Solution
The fourth proportional to 3,245,782.64, 4,478,741.35 and 1,850,524.28 is: 2,553,473.39
Step by Step Solution
- Step 1: Write the proportion equation
3,245,782.64 : 4,478,741.35 = 1,850,524.28 : x - Step 2: Convert to fraction form
3,245,782.64/4,478,741.35 = 1,850,524.28/x - Step 3: Cross multiply
3,245,782.64x = 4,478,741.35 × 1,850,524.28 - Step 4: Simplify right side
3,245,782.64x = 8,288,019,612,199.44 - Step 5: Solve for x
x = 8,288,019,612,199.44/3,245,782.64 - Step 6: Final answer
x = 2,553,473.39
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.